22865938 has 8 divisors (see below), whose sum is σ = 35096688. Its totient is φ = 11167044.

The previous prime is 22865903. The next prime is 22865939. The reversal of 22865938 is 83956822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22865938² = 1045702241239688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 22865894 and 22865903.

It is not an unprimeable number, because it can be changed into a prime (22865939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132856 + ... + 133027.

It is an arithmetic number, because the mean of its divisors is an integer number (4387086).

Almost surely, 2^22865938 is an apocalyptic number.

22865938 is a deficient number, since it is larger than the sum of its proper divisors (12230750).

22865938 is a wasteful number, since it uses less digits than its factorization.

22865938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265928.

The product of its digits is 207360, while the sum is 43.

The square root of 22865938 is about 4781.8341669280. The cubic root of 22865938 is about 283.8330781982.

It can be divided in two parts, 228 and 65938, that added together give a palindrome (66166).

The spelling of 22865938 in words is "twenty-two million, eight hundred sixty-five thousand, nine hundred thirty-eight".